| #region Copyright notice and license |
| |
| // Copyright 2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #endregion |
| |
| using System; |
| using System.Runtime.InteropServices; |
| using Grpc.Core.Internal; |
| using NUnit.Framework; |
| |
| namespace Grpc.Core.Internal.Tests |
| { |
| public class TimespecTest |
| { |
| [Test] |
| public void Now_IsInUtc() |
| { |
| Assert.AreEqual(DateTimeKind.Utc, Timespec.Now.ToDateTime().Kind); |
| } |
| |
| [Test] |
| public void Now_AgreesWithUtcNow() |
| { |
| var timespec = Timespec.Now; |
| var utcNow = DateTime.UtcNow; |
| |
| TimeSpan difference = utcNow - timespec.ToDateTime(); |
| |
| // This test is inherently a race - but the two timestamps |
| // should really be way less that a minute apart. |
| Assert.IsTrue(difference.TotalSeconds < 60); |
| } |
| |
| [Test] |
| public void InfFuture() |
| { |
| var timespec = Timespec.InfFuture; |
| } |
| |
| [Test] |
| public void InfPast() |
| { |
| var timespec = Timespec.InfPast; |
| } |
| |
| [Test] |
| public void TimespecSizeIsNativeSize() |
| { |
| Assert.AreEqual(Timespec.NativeSize, Marshal.SizeOf(typeof(Timespec))); |
| } |
| |
| [Test] |
| public void ToDateTime() |
| { |
| Assert.AreEqual(new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc), |
| new Timespec(IntPtr.Zero, 0).ToDateTime()); |
| |
| Assert.AreEqual(new DateTime(1970, 1, 1, 0, 0, 10, DateTimeKind.Utc).AddTicks(50), |
| new Timespec(new IntPtr(10), 5000).ToDateTime()); |
| |
| Assert.AreEqual(new DateTime(2015, 7, 21, 4, 21, 48, DateTimeKind.Utc), |
| new Timespec(new IntPtr(1437452508), 0).ToDateTime()); |
| |
| // before epoch |
| Assert.AreEqual(new DateTime(1969, 12, 31, 23, 59, 55, DateTimeKind.Utc).AddTicks(10), |
| new Timespec(new IntPtr(-5), 1000).ToDateTime()); |
| |
| // infinity |
| Assert.AreEqual(DateTime.MaxValue, Timespec.InfFuture.ToDateTime()); |
| Assert.AreEqual(DateTime.MinValue, Timespec.InfPast.ToDateTime()); |
| |
| // nanos are rounded to ticks are rounded up |
| Assert.AreEqual(new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).AddTicks(1), |
| new Timespec(IntPtr.Zero, 99).ToDateTime()); |
| |
| // Illegal inputs |
| Assert.Throws(typeof(InvalidOperationException), |
| () => new Timespec(new IntPtr(0), -2).ToDateTime()); |
| Assert.Throws(typeof(InvalidOperationException), |
| () => new Timespec(new IntPtr(0), 1000 * 1000 * 1000).ToDateTime()); |
| Assert.Throws(typeof(InvalidOperationException), |
| () => new Timespec(new IntPtr(0), 0, GPRClockType.Monotonic).ToDateTime()); |
| } |
| |
| [Test] |
| public void ToDateTime_ReturnsUtc() |
| { |
| Assert.AreEqual(DateTimeKind.Utc, new Timespec(new IntPtr(1437452508), 0).ToDateTime().Kind); |
| Assert.AreNotEqual(DateTimeKind.Unspecified, new Timespec(new IntPtr(1437452508), 0).ToDateTime().Kind); |
| } |
| |
| [Test] |
| public void ToDateTime_Overflow() |
| { |
| // we can only get overflow in ticks arithmetic on 64-bit |
| if (IntPtr.Size == 8) |
| { |
| var timespec = new Timespec(new IntPtr(long.MaxValue - 100), 0); |
| Assert.AreNotEqual(Timespec.InfFuture, timespec); |
| Assert.AreEqual(DateTime.MaxValue, timespec.ToDateTime()); |
| |
| Assert.AreEqual(DateTime.MinValue, new Timespec(new IntPtr(long.MinValue + 100), 0).ToDateTime()); |
| } |
| else |
| { |
| Console.WriteLine("Test cannot be run on this platform, skipping the test."); |
| } |
| } |
| |
| [Test] |
| public void ToDateTime_OutOfDateTimeRange() |
| { |
| // we can only get out of range on 64-bit, on 32 bit the max |
| // timestamp is ~ Jan 19 2038, which is far within range of DateTime |
| // same case for min value. |
| if (IntPtr.Size == 8) |
| { |
| // DateTime range goes up to year 9999, 20000 years from now should |
| // be out of range. |
| long seconds = 20000L * 365L * 24L * 3600L; |
| |
| var timespec = new Timespec(new IntPtr(seconds), 0); |
| Assert.AreNotEqual(Timespec.InfFuture, timespec); |
| Assert.AreEqual(DateTime.MaxValue, timespec.ToDateTime()); |
| |
| Assert.AreEqual(DateTime.MinValue, new Timespec(new IntPtr(-seconds), 0).ToDateTime()); |
| } |
| else |
| { |
| Console.WriteLine("Test cannot be run on this platform, skipping the test"); |
| } |
| } |
| |
| [Test] |
| public void FromDateTime() |
| { |
| Assert.AreEqual(new Timespec(IntPtr.Zero, 0), |
| Timespec.FromDateTime(new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc))); |
| |
| Assert.AreEqual(new Timespec(new IntPtr(10), 5000), |
| Timespec.FromDateTime(new DateTime(1970, 1, 1, 0, 0, 10, DateTimeKind.Utc).AddTicks(50))); |
| |
| Assert.AreEqual(new Timespec(new IntPtr(1437452508), 0), |
| Timespec.FromDateTime(new DateTime(2015, 7, 21, 4, 21, 48, DateTimeKind.Utc))); |
| |
| // before epoch |
| Assert.AreEqual(new Timespec(new IntPtr(-5), 1000), |
| Timespec.FromDateTime(new DateTime(1969, 12, 31, 23, 59, 55, DateTimeKind.Utc).AddTicks(10))); |
| |
| // infinity |
| Assert.AreEqual(Timespec.InfFuture, Timespec.FromDateTime(DateTime.MaxValue)); |
| Assert.AreEqual(Timespec.InfPast, Timespec.FromDateTime(DateTime.MinValue)); |
| |
| // illegal inputs |
| Assert.Throws(typeof(ArgumentException), |
| () => Timespec.FromDateTime(new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Unspecified))); |
| } |
| |
| [Test] |
| public void FromDateTime_OutOfTimespecRange() |
| { |
| // we can only get overflow in Timespec on 32-bit |
| if (IntPtr.Size == 4) |
| { |
| Assert.AreEqual(Timespec.InfFuture, Timespec.FromDateTime(new DateTime(2040, 1, 1, 0, 0, 0, DateTimeKind.Utc))); |
| Assert.AreEqual(Timespec.InfPast, Timespec.FromDateTime(new DateTime(1800, 1, 1, 0, 0, 0, DateTimeKind.Utc))); |
| } |
| else |
| { |
| Console.WriteLine("Test cannot be run on this platform, skipping the test."); |
| } |
| } |
| } |
| } |